TechEvents.co - Tech and startup events aggregator
Gathrr - Increase your Event's ROI.
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Leade.rs - Leaders matches event organizers with speakers in tech.
Zoho Backstage - Plan, run, and analyze your event— all from one place
Awesome Mobile Conferences - A collaborative and curated list of the best mobile conf